修复：解决隐私政策查看问题；解决积分支付bug；

components/order/Confirm.vue

@@ -313,10 +313,10 @@ const calculateFinalPrice = () => {
   const couponAmount = 0
   
   // 计算最大可用积分
-  const orderAmountAfterDiscount = totalAmount.value - promotionDiscounted.value - vipDiscounted.value
+  const orderAmountAfterDiscount = totalAmount.value - promotionDiscounted.value - vipDiscounted.value - couponAmount
   pointsUsableMax.value = Math.min(
     props?.userInfo?.jf || 0,
-    Math.floor(orderAmountAfterDiscount - couponAmount)
+    Math.floor(props.allowPointPay ? orderAmountAfterDiscount : 0)
   )
 
   pointsDiscounted.value = pointsUsableMax.value
@@ -331,7 +331,7 @@ const calculateFinalPrice = () => {
     0,
     totalAmount.value - couponAmount - pointsDiscounted.value - promotionDiscounted.value - vipDiscounted.value
   )
-  finalAmount.value = result
+  finalAmount.value = parseFloat(result.toPrecision(12))
 }
 
 /**